Here is the full list of all 50 Pewt 'em Up! achievements.
Collect 1k quartz fragments.
Achieve a score of at least 100k in endless mode.
Achieve a score of at least 9001 in endless mode.
Collect your first quartz fragment.
Beat stage mode twice.
Beat the game in Ace Mode.
Clear a stage without shooting once.
Destroy 250 asteroids or enemy ships by ramming them.
Self-destruct your ship by using the bomb.
Destroy 100 asteroids or enemy ships by ramming them.
Watch the post-credit scene.
Watch the credits until the end.
Beat the game in Cadet Mode.
Beat the game in Rookie or Cadet Mode.
Defeat Varik Gorr.
Collect 50k credits.
Unlock the Silver Wing.
Use the bomb for the first time.
Buy all available upgrades in the shop.
Buy all Items in the shop.
Destroy 10k asteroids.
Buy all Recharger upgrades in the shop.
Destroy 500 enemy ships.
Buy all Shield upgrades in the shop.
Buy all Armor upgrades in the shop.
Buy all Reloader upgrades in the shop.
Buy all Weapon upgrades in the shop.
Level up Egg-kun.
Hatch the egg.
Destroy a divider ship.
Destroy 1k enemy drones.
Collect 10k credits.
Unlock the Valkyrie Type MA.
Destroy 100 enemy ships.
Buy all Ship Parts upgrades in the shop.
Destroy a battleship without the Silver Wing.
Collect 1k credits.
Destroy 1k asteroids.
Destroy a bumper ship.
Destroy 10 asteroids or enemy ships by ramming them.
Destroy 10 enemy ships.
Clear a stage without being hit once.
Destroy 100 enemy drones.
Enter the sacred code in the main menu.
Destroy 100 asteroids.
Destroy 10 enemy drones.
Collect 5k quartz fragments.
Achieve a score of at least 250k in endless mode.
Achieve a score of at least 1M in endless mode.
Unlock all achievements.